DocumentCode :
1992201
Title :
Augmented reality visualization of ultrasound images: system description, calibration, and features
Author :
Sauer, Frank ; Khamene, Ali ; Bascle, Benedicte ; Schinunang, L. ; Wenzel, Fabian ; Vogt, Sebastian
fYear :
2001
fDate :
2001
Firstpage :
30
Lastpage :
39
Abstract :
We developed a system for augmented reality visualization of ultrasound images. This system is based on our earlier "augmented workspace" setup. The user wears a custom video-see-through head-mounted display (HMD). Two color video cameras attached to the HMD provide a stereo view of the scene. A third head-mounted video camera is added for tracking. A set of markers is attached to the ultrasound transducer; a set of stationary markers can be positioned above the workspace. The system runs at the full 30 Hz video frame rate with a latency of about 0.1 sec, generating a stable augmentation with no apparent jitter visible in the composite images. Three SGI Visual Workstations provide the computing power for the system. The authors describe the details of the system, its calibration with a configuration of optical markers partially immersed in a water bath, and some system features like spatiotemporal freezing and 3D target localization that promise to be helpful for practical applications
Keywords :
augmented reality; biomedical ultrasonics; data visualisation; helmet mounted displays; medical computing; ultrasonic imaging; video cameras; workstations; 0.1 s; 30 Hz; 3D target localization; HMD; SGI Visual Workstations; augmented reality visualization; augmented workspace; color video cameras; composite images; computing power; custom video-see-through head mounted display; head-mounted video camera; spatiotemporal freezing; stable augmentation; stationary markers; stereo view; system description; system features; ultrasound images; ultrasound transducer; video frame rate; water bath; Augmented reality; Cameras; Delay; Displays; Jitter; Layout; Ultrasonic imaging; Ultrasonic transducers; Visualization; Workstations;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Augmented Reality, 2001. Proceedings. IEEE and ACM International Symposium on
Conference_Location :
New York, NY
Print_ISBN :
0-7695-1375-1
Type :
conf
DOI :
10.1109/ISAR.2001.970513
Filename :
970513
Link To Document :
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